let SYSTEM_INFO = uni.getSystemInfoSync();
export const getStatusBarHeight = ()=>SYSTEM_INFO.statusBarHeight || 15

export const getTitleBarHeight = ()=>{
	if(uni.getMenuButtonBoundingClientRect){
		let {top,height} = uni.getMenuButtonBoundingClientRect();
		return height + (top-getStatusBarHeight())*2;
	}else{
		return 40;
	}
}
	
export const navBarHeight = ()=> getStatusBarHeight() + getTitleBarHeight();
